SYNTHESIS AND PROPERTIES OF A NEW D1-COMPOUND SR4V3O9.8 WITH LAYERED STRUCTURE

被引:26
作者
ITOH, M
SHIKANO, M
LIANG, R
KAWAJI, H
NAKAMURA, T
机构
[1] Research Laboratory of Engineering Materials, Tokyo Institute of Technology, Midori-ku, Yokohama, 227
关键词
D O I
10.1016/0022-4596(90)90262-V
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A new layered compound Sr4V3O9.8 with the Sr4Ti3O10 structure was successfully synthesized and electrical resistivity and magnetic susceptibility measurements were carried out. The unit cell dimensions of Sr4V3O9.8 were found to be a = 0.38428(3) nm and c = 2.7902(2) nm. The slope of the resistivity vs temperature curve changed from slightly negative to positive at a temperature of ∼70 K as the temperature was increased. The magnetic susceptibility of the sample could be fitted by the Curie-Weiss law, χ = χ0 + C (T - Θ), with χ0 = 1.06 × 10-3 emu·mole-1, Θ = -66 K, and C = 5.88 × 10-2 emu·K·mole-1. © 1990.
引用
收藏
页码:597 / 600
页数:4
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